X= -10
You may review the image Ive attached to see how I got this answer.
Line the decimal points up. Then add like you normally would, but put down the decimal directly where you have it lined up.
Answer:
(h,k) shows the coordintes of the turning point.
You have to find the discriminat b^2 -4ac
If it is > 0, the function has two real solutions
if it is = 0, the function has one real solution
if it is <0, the function has no real solution
6^2 - 4(7)(3) = 36 - 84 = - 48
Answer c. no solution